package com.qq.first_project.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

@Component
public class CommonMetaObjectHandler implements MetaObjectHandler {
    /**
     * 插入数据时自动填充createTime和updateTime
     * @param metaObject
     */
    @Override
    public void insertFill(MetaObject metaObject) {
        this.setFieldValByName("createTime", new Date(), metaObject);
        this.setFieldValByName("updateTime", new Date(), metaObject);
        this.setFieldValByName("deleted", "0", metaObject);
        this.setFieldValByName("version", "1", metaObject);
    }

    /**
     * 修改数据时自动填充updateTime
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {

        this.setFieldValByName("updateTime", new Date(), metaObject);
    }
}
